Champion

Kirk Douglas

Midge Kelly

Marilyn Maxwell

Grace Diamond

Arthur Kennedy

Connie Kelly

Paul Stewart

Tommy Haley

Ruth Roman

Emma Bryce

Lola Albright

Palmer Harris

Luis van Rooten

Jerry Harris

Harry Shannon

Lew

John Daheim

Johnny Dunne

Ralph Sanford

Hammond

Esther Howard

Mrs. Kelly

Bill Baldwin

Bill Brown (Ringside Broadcaster) (uncredited)

Sam Balter

Championship Fight Announcer (uncredited)

Don Brodie

Newspaper Reporter (uncredited)

Ralph Brooks

Newspaper Reporter at Benefit (uncredited)

Mushy Callahan

Referee Title Fight (uncredited)

Sayre Dearing

Newspaper Reporter at Benefit (uncredited)

Paul Dubov

Gangster (uncredited)

Jimmie Dundee

Tough Tramp in Boxcar (uncredited)

Joe Gray

Championship Fight Opponent (uncredited)

Chuck Hamilton

Fight Stadium Guard (uncredited)

Mike Lally

Well-Wisher in Nightclub (uncredited)

Hal March

Mobster (uncredited)

George Meader

Fight Doctor (uncredited)